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RT4813A - High Efficiency Boost Converter

General Description

The RT4813A allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs.

Key Features

  • CMCOT Topology and Small Output Ripple when VIN Close VOUT Voltage.
  • Operates from a Single Li-ion Cell : 1.8V to 5.5V.
  • Adjustable Output Voltage : 1.8V to 5.5V.
  • PSM Operation.
  • Up to 96% Efficiency.
  • Input Over Current Limit.
  • Input / Output Over Voltage Protection.
  • Average Output Current Limit Range : 3250mA to 2500mA.
  • Internal Compensation.
  • Output Discharge.
  • Output Short Protection.
  • True Load Disconnect.

📥 Download Datasheet

Datasheet Details

Part number RT4813A
Manufacturer Richtek
File Size 1.17 MB
Description High Efficiency Boost Converter
Datasheet download datasheet RT4813A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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RT4813A High Efficiency Boost Converter General Description The RT4813A allows systems to take advantage of new battery chemistries that can supply significant energy when the battery voltage is lower than the required voltage for system power ICs. By combining built-in power transistors, synchronous rectification, and low supply current; this IC provides a compact solution for systems using advanced Li-Ion battery chemistries. The RT4813A is a boost regulator designed to provide a minimum output voltage from a single-cell Li-Ion battery, even when the battery voltage is below system minimum. In boost mode, output voltage regulation is guaranteed to minimum load current of 2.5A. Quiescent current in Shutdown Mode is less than 1A, which maximizes battery life.